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Finding the Fourth Proportional to 162.75, 244.37 and 155.04

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Solution

The fourth proportional to 162.75, 244.37 and 155.04 is: 232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.75 : 244.37 = 155.04 : x
  2. Step 2: Convert to fraction form
    162.75/244.37 = 155.04/x
  3. Step 3: Cross multiply
    162.75x = 244.37 × 155.04
  4. Step 4: Simplify right side
    162.75x = 37,887.12
  5. Step 5: Solve for x
    x = 37,887.12/162.75
  6. Step 6: Final answer
    x = 232.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.